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Finding the Fourth Proportional to 585,847.60, 876,827.40 and 425,467.60

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Solution

The fourth proportional to 585,847.60, 876,827.40 and 425,467.60 is: 636,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,847.60 : 876,827.40 = 425,467.60 : x
  2. Step 2: Convert to fraction form
    585,847.60/876,827.40 = 425,467.60/x
  3. Step 3: Cross multiply
    585,847.60x = 876,827.40 × 425,467.60
  4. Step 4: Simplify right side
    585,847.60x = 373,061,649,492.24
  5. Step 5: Solve for x
    x = 373,061,649,492.24/585,847.60
  6. Step 6: Final answer
    x = 636,789.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.